21x+-21x+-15=-7

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Solution for 21x+-21x+-15=-7 equation: 


Simplifying
21x + -21x + -15 = -7

Reorder the terms:
-15 + 21x + -21x = -7

Combine like terms: 21x + -21x = 0
-15 + 0 = -7
-15 = -7

Solving
-15 = -7

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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